Class Archetype

constructor

• new Archetype(key: string, types: number[], typeCtors?: Function[]): Archetype

  Parameters

  • key: string
  • types: number[]
  • typeCtors: Function[] = []

  Returns Archetype

cols

entities

key

rowOf

typeCtors

types

clear

• clear(): void

  Clear all entities and components from archetype 清空原型中的所有实体和组件

  Returns void

ensureColumn

• ensureColumn(typeId: number, ctor: Function): void

  Ensure column exists for component type with SAB/Array backend selection 确保组件类型的列存在，并选择SAB/数组后端

  Parameters

  • typeId: number
  • ctor: Function

  Returns void

getCol

• getCol<T>(typeId: number): T[]

  Get component column for type 获取类型的组件列

  Type Parameters

  • T

  Parameters

  • typeId: number

  Returns T[]

getComponent

• getComponent<T>(e: number, typeId: number): undefined | T

  Get component for entity and type 获取实体指定类型的组件

  Type Parameters

  • T

  Parameters

  • e: number
  • typeId: number

  Returns undefined | T

getEntities

• getEntities(): readonly number[]

  Get all entities in this archetype 获取此原型中的所有实体

  Returns readonly number[]

getRow

• getRow(e: number): undefined | number

  Get row index for entity 获取实体的行索引

  Parameters

  • e: number

  Returns undefined | number

hasEntity

• hasEntity(e: number): boolean

  Check if entity exists in this archetype 检查实体是否存在于此原型中

  Parameters

  • e: number

  Returns boolean

isEmpty

• isEmpty(): boolean

  Check if archetype is empty 检查原型是否为空

  Returns boolean

push

• push(e: number, makeDefault: (typeId: number) => unknown): void

  Add entity to archetype with default component values 向原型添加实体及默认组件值

  Parameters

  • e: number
  • makeDefault: (typeId: number) => unknown

  Returns void

setComponent

• setComponent<T>(e: number, typeId: number, value: T, epoch?: number): void

  Set component for entity and type 设置实体指定类型的组件

  Type Parameters

  • T

  Parameters

  • e: number
  • typeId: number
  • value: T
  • Optionalepoch: number

  Returns void

size

• size(): number

  Get entity count 获取实体数量

  Returns number

swapRemove

• swapRemove(row: number): void

  Remove entity using swap-remove optimization 使用交换删除优化移除实体

  Parameters

  • row: number

  Returns void

verify

• verify(): boolean

  Verify archetype integrity (debug utility) 验证原型完整性（调试工具）

  Returns boolean